Proceedings of the 10th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2015) (2015)[Konferensbidrag, refereegranskat]

The evolution of the cyclic yield stress for a railway wheel steel (UIC ER7T) during cyclic plastic straining has been characterized at different temperatures from -60 – 600°C. Two strain amplitude levels were examined and for temperatures above 200°C, hold periods were included to study stress relaxation during constant compressive strain. The results are of use in predicting material deformation and damage. This is demonstrated by the application to improve a criterion for surface initiated rolling contact fatigue damage.

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BibTeX @conference{Ahlström2015,author={Ahlström, Johan and Kabo, Elena and Ekberg, Anders},title={Temperature-dependent evolution of the cyclic yield stress of railway wheel steels},booktitle={Proceedings of the 10th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2015)},abstract={The evolution of the cyclic yield stress for a railway wheel steel (UIC ER7T) during cyclic plastic straining has been characterized at different temperatures from -60 – 600°C. Two strain amplitude levels were examined and for temperatures above 200°C, hold periods were included to study stress relaxation during constant compressive strain. The results are of use in predicting material deformation and damage. This is demonstrated by the application to improve a criterion for surface initiated rolling contact fatigue damage.},year={2015},}

RefWorks RT Conference ProceedingsSR PrintID 230694A1 Ahlström, JohanA1 Kabo, ElenaA1 Ekberg, AndersT1 Temperature-dependent evolution of the cyclic yield stress of railway wheel steelsYR 2015T2 Proceedings of the 10th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2015)AB The evolution of the cyclic yield stress for a railway wheel steel (UIC ER7T) during cyclic plastic straining has been characterized at different temperatures from -60 – 600°C. Two strain amplitude levels were examined and for temperatures above 200°C, hold periods were included to study stress relaxation during constant compressive strain. The results are of use in predicting material deformation and damage. This is demonstrated by the application to improve a criterion for surface initiated rolling contact fatigue damage.LA engOL 30